SUPER MEGA Volunteer Service Day! // June 01, 2019 Birds of the Wissahickon with Ruth Pfeffer // May 18, 2019 Valley Talk: Pests, Pollinators, and You in a Changing Climate // May 14, 2019 Spring Love Your Park // May 11, 2019 Trail Work Thursdays // April 25, 2019 Trail Work Thursdays // April 18, 2019 Martin Luther King Jr. Volunteer Day of Service (Rescheduled) // April 13, 2019 Trail Work Thursdays // April 11, 2019 Trail Work Thursdays // April 04, 2019 Cresheim Valley Trail Work // March 30, 2019 Trail Work Thursdays (Note meeting location change) // March 28, 2019 CANCELED – Trail Work Thursdays // March 21, 2019 Older Posts